# Pointcloud

* Access the following tools by clicking on the "Create..." drowndown under the [pointcloud "Edit" tab](https://docs.phoenixlidar.com/lidarmill-desktop/user-interface/windows/project-management-window/point-clouds#edit)

!["Create..." Dropdown](/files/-Ma5JmLGK8W93zwFW7pI)

## Resample Cloud (Delaunay)

* Used to create a resampled cloud at a specified resolution or "Grid Stride \[m]"
* Click on "Resample Cloud (Delaunay)"
* Specify desired parameters for the resampled cloud:
  * Grid Stride \[m]
  * Desired point class
* Click "OK" to create resampled cloud

![](/files/-Ma52PPySaA2mSJOUlnk)

## Downsample Cloud

* Used to create a downsampled cloud with options of keeping:
  * Highest point
  * Lowest point
  * Central point
  * Central point (2D)
  * Highest intensity
  * Lowest intensity
  * First in time
  * Last in time
  * Random
* Click on "Downsample cloud"
* Specify desired parameters for the downsampled cloud:
  * Keep - points to retain during downsampling
  * Cell size - point grid spacing 

![](/files/-Ma5J0utRxzkJoKGLpTe)

## Compute Height Above Ground

* Used to write height above ground information into the pointcloud
* Height above ground information needs to be written into pointcloud before it can be visualized within the [pointcloud visualization tab](https://docs.phoenixlidar.com/lidarmill-desktop/user-interface/windows/project-management-window/point-clouds#visualization)
  * [Ground classification](https://docs.phoenixlidar.com/lidarmill-desktop/post-processing/workflow-kk/classification/find-ground-ptd) is required prior to using this tool
    * Click on "Compute Height Above Ground"
    * Specify Pixel size \[in meters]:
    * Click "OK" to write height above ground information into the pointcloud

![](/files/-Ma5JYSlStCHHKhVfU53)

## Backup

* Used to create a backup pointcloud CLOUD file 
* Click on "Backup" 
* Specify output File name and folder
* Click "Save" 

![](/files/-Ma5LBop2vVMvbS6OtEN)


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